Miniature Rose Plant &#39;PACninetyfive&#39;

ABSTRACT

A new miniature rose plant which has abundant, red colored flowers and attractive foliage. The variety successfully propagates from softwood cuttings and is suitable for year round production in commercial glass houses as a flowering pot plant. This new and distinct variety has shown to be uniform and stable in the resulting generations from asexual propagation.

BOTANICAL DESIGNATION

Rosa hybrida.

VARIETY DENOMINATION

‘PACninetyfive’.

BACKGROUND OF THE INVENTION

The present invention constitutes a new and distinct variety of miniature rose plant, which was developed by artificially pollinating an unnamed seedling (not patented) with an unnamed seedling (not patented). The two parents were crossed in the summer of 2007 and the resulting seed was sown in December 2007, in a controlled glasshouse environment. Out of these seedlings one seedling was selected, as the new variety and named ‘PACninetyfive’. The new rose may be distinguished from its seed parent, an unnamed seedling, by the following combination of characteristics:

-   -   1. ‘PACninetyfive’ has medium double flowers, while the unnamed         seedling has medium single flowers.     -   2. ‘PACninetyfive’ has red colored petals, while the unnamed         seedling has yellow petals.

The new variety may distinguish from its pollen parent, an unnamed seedling, by the following combination of characteristics:

-   -   1. ‘PACninetyfive’, has medium double flowers, while the unnamed         seedling has medium double flowers.     -   2. ‘PACninetyfive’ red colored petals, while the unnamed         seedling has dark red petals.

BRIEF SUMMARY OF THE INVENTION

Initial asexual reproduction of ‘PACninetyfive’ by cuttings was first done in Santa Barbara, Calif., USA. This initial and other subsequent propagation conducted in controlled environments have demonstrated that the characteristics of ‘PACninetyfive’ are true to type and are transmitted one generation to the next. ‘PACninetyfive’ is a low and compact miniature rose with good vigor. The objective of the hybridization of this rose variety for commercial greenhouse culture was to create a new and distinct variety with:

-   -   1. Uniform and abundant flowers with good keep ability;     -   2. Attractive long lasting foliage and compact growth;     -   3. Year round flowering under glasshouse conditions;     -   4. Suitability for production from softwood cuttings in pots;     -   5. Durable flowers and foliage which make the variety suitable         for distribution in the floral industry.

This combination of qualities was not present in previously available commercial cultivars of this type, known to the inventor, and distinguish ‘PACninetyfive’ from all other varieties of which I am aware.

The seeds from hybridization were planted in a controlled environment and evaluations were conducted on the resulting plants. ‘PACninetyfive’ was selected by, Daniel Jauchen, in his development program in Santa Barbara, Calif., USA.

BRIEF DESCRIPTIONS OF THE DRAWINGS

The accompanying color illustrations show as true as is reasonably to obtain in color photographs of this type, the typical characteristics of the buds, flowers, leaves, stems of ‘PACninetyfive’. Specifically illustrated in the drawings: 1: Young shoot. 2: Bud before opening the sepals. 3: Bud at the stage of opening the sepals. 4: Bud at the stage of opening the petals. 5: Flower during course of opening. 6: Open flower—plan view—obverse. 7: Open flower—plan view—reverse. 8: Fully open flower—plan view—obverse. 9: Fully open flower—plan view—reverse. 10: Receptacle showing stamens and pistils. 11: Receptacle showing pistils (stamens and sepals removed). 12: Flower petals, detached—inner surface. 13: Flower petals, detached—outer surface. 14: Bare stem exhibiting thorns and flower attachment. 15: Three leaflets upper side. 16: Three leaflets reverse side. 17: Five leaflets upper side. 18: Five leaflets reverse side.

DETAILED BOTANICAL DESCRIPTION OF THE VARIETY

The following is a detailed description of the Miniature Rose:

Rosa hybrida ‘PACninetyfive’.

The following observations, measurements, values and comparisons describe plants grown in glass houses in Santa Barbara, Calif., USA.

The age of the observed plants were 3 months after propagation by cuttings, and produced as flowering pot plants in container of 10 centimeter in diameter. Environmental conditions in the cultivation area for the observed plants, has been temperatures from 64 to 78 degree Fahrenheit, and 10 to 20 hours day length with assimilation light. Light levels from 600 foot candle to 6000 foot candle. The relative humidity has been ranging from 50 to 85%.

Color references are made using The Royal Horticultural Society (London, England) Colour Chart, 1995, except where common terms of color are used. For a comparison, the nearest existing rose variety is ‘JENtwo’, a rose variety described and illustrated in U.S. Plant Pat. No. 16,905.

Chart 1 details several physical characteristics of ‘PACninetyfive’ and ‘JENtwo’.

CHART 1 ‘PACninetyfive’ ‘JENtwo’ Petal color, Upper Red-Purple Group Red Group 46A surface 61A Petal color, Reverse Red-Purple Group Red Group 46A surface 61A Petal count 45 to 50 20

-   Parents: Unnamed seedling times unnamed seedling -   Classification: -   Botanical: Rosa hybrida -   Commercial: Miniature -   Plant: -   Plant growth: Moderately vigorous. Grows compact upright to bushy.     When grown as 10 cm pot plant, the average height of the plant     itself is 18 cm to 20 cm, and average width is 20 cm. When grown as     a 15 cm pot plant, the average height of the plant itself is 22 cm     to 27 cm, and average width is 30 cm. -   Stem: -   Color:     -   -   Young wood.—Green Group 139C with intonations of Red Group             53A.         -   Older wood.—Green Group 137C. -   Thorns:     -   -   Incidence.—3 to 5 per stem. Size: 4 to 6 mm. Form: Deep             concave. Color: Green-White Group 157B, with intonations of             Red-Purple Group 58A. -   Surface:     -   -   Young wood.—Smooth. Older wood: Smooth. -   Stem diameter: 2 mm to 3 mm. -   Internode length: 25 mm to 40 mm. -   Numbers of internodes: 4 to 5. -   Plant foliage: Leaves arranged alternately, compound with 3 to 5     leaflets per leaf, generally symmetrical, abundant, and flat in     aspect. Stipules at petiole base. -   Quantity of leaves: 5 to 6 per lateral branch. -   Leaf size: Length 60 mm to 90 mm, width 50 mm to 65 mm. -   Petioles:     -   -   Color.—Green Group 141C.         -   Margins.—Entire.         -   Length.—10 mm to 15 mm.         -   Diameter.—about 1 mm. -   Stipules:     -   -   Size.—Length 3 mm to 5 mm, width 0.5 mm to 1 mm.         -   Surface.—Smooth.         -   Color for upper surface.—Green Group 141B.         -   Color for lower surface.—Green Group 143A.         -   Margins.—Entire. -   Rachis:     -   -   Color.—Green Group 143A.         -   Margins.—Entire.         -   Length.—12 mm to 20 mm.         -   Diameter.—1 mm. -   Leaflets:     -   -   Edge.—Serrated.         -   Serration.—Double.         -   Shape.—Ovate with acute apex and obtuse base.         -   Texture.—Smooth.         -   Appearance.—Dull.         -   Size.—length: 15 mm to 45 mm, width: 15 mm to 30 mm.         -   Color.—Young foliage: Upper surface: Green Group 141A with             intonations of Red Group 53A. Lower surface: Green Group             138B.         -   Color.—Mature foliage: Upper surface: Green Group 139B Lower             surface: Green Group 138A.         -   Leaf vein color.—Upper surface: Green Group 141C. Reverse             surface: Yellow-Green Group 144C. -   Inflorescence: -   Blooming habit: Recurrent -   Number of flowers: Generally one to five buds per flowering stem. -   Peduncle:     -   -   Color.—Green Group 141D.         -   Texture.—Smooth.         -   Length.—15 mm to 30 mm.         -   Diameter.—1 mm to 2 mm.         -   Strength.—Upright. -   Receptacle:     -   -   Surface.—Smooth, glabrous.         -   Shape.—Funnel-shaped.         -   Size.—height 5 mm to 8 mm, width 6 mm to 10 mm.         -   Color.—Green Group 141C. -   Sepals:     -   -   Quantity.—Five.         -   Shape.—Narrowly ovate with acute tip.         -   Texture.—Leathery.         -   Margin.—Foliaceous appendages on three of the five sepals.         -   Appearance.—Dull, pubescent.         -   Color.—Upper surface: Green Group 137B. Reverse surface:             Green Group 138A.         -   Size.—Length 20 mm to 25 mm, width 6 mm to 8 mm. -   Buds:     -   -   Size.—Height 18 mm to 23 mm, diameter 12 mm to 15 mm, Upon             opening.         -   Shape.—Ovoid.         -   Color.—at ¼ opening, Yellow Group 46A. -   Flower:     -   -   Duration.—As a pot plant, flowers last from 10 to 15 days.         -   Fragrance.—Slightly spicy.         -   Size.—40 mm to 65 mm in diameter.         -   Depth.—25 mm to 30 mm.         -   Form.—Shape of flower when viewed from the side: Upon             opening: Cupped to ovoid. Open flower: Flat.         -   Color.—.         -   Petals, upon opening.—Upper surface: Red Group 46A. Reverse             surface: Red Group 53B.         -   Petals after opening.—Upper surface: Red Group 46A.         -   Reverse surface.—Red Group 53C.         -   General tonality.—On open flower: Third day: Yellow Group             13A Afterwards: Yellow Group 13A. -   Petals: -   Petal reflex: Outermost petals reflex backwards at opening. Fully     open all petals reflex backwards. -   Texture: Smooth. -   Petal edge: Entire. -   Petal count: 75 to 80 on the average per flower. -   Petal size: Length 30 mm to 40 mm, width 30 mm to 40 mm. -   Shape:     -   -   Outer petals.—Round.         -   Inner petals.—Round-Ovate.         -   Apex.—Rotundate.         -   Base.—Obtuse to rotundate. -   Petaloids: None -   Reproductive organs: -   Stamen number: Approximately 90 to 95 on average per flower -   Stamens length: 4 mm to 5 mm. -   Pollen:     -   -   Color.—Greyed-Orange Group 167A.         -   Abundance.—Heavy. -   Anthers:     -   -   Size.—1 mm to 1.5 mm.         -   Color.—Greyed-Orange Group 167A.         -   Shape.—Oblong. -   Filaments:     -   -   Size.—3 mm to 4 mm.         -   Color.—Yellow Group 12C. -   Pistils number: Approximately 90 to 95 on average per flower. -   Stigmas:     -   -   Location.—Level with the anthers. Color: Greyed-Orange Group             167D. -   Styles:     -   -   Color.—White-Green Group 155C, with heavy intonations of             Red-Purple Group 61B.         -   Length.—4 mm to 5 mm. -   Development: -   Vegetation: Dense -   Blooming: Abundant. -   Aptitude to bear fruit: Poor. -   Resistance to diseases: Above average resistance to mildew and     Botrytis under normal growing conditions in Santa Barbara, Calif.,     USA. Hips/seeds has not been observed due to that the plant has     never been grown to the stage of seed development, due to the fact,     that the variety is developed for use as a flowering pot plant only. -   Winter hardiness & drought/heat tolerance: Due to the fact, that     this variety is a potted flowering plant, developed indoor use only,     the plant is not tested for winter hardiness or drought/heat     tolerance. 

1. A new and distinct variety of Rose plant of the miniature class, substantially as herein illustrated and described as a distinct and novel rose variety due to its abundant red flowers, attractive long lasting foliage, vigorous and compact growth, year round flowering under glasshouse conditions, suitability for production from softwood cuttings in pots, and durable flowers and foliage which make the variety suitable for distribution in the floral industry. 